public static void AssignFilter(this TreeContext context, IFilter filter)
{
var finalFilter = context.GetFinalFilter(filter);
var node = context.GetGroupNode(filter as IFilterGroup);
if (node != null)
{
context.AssignFilterToNode(finalFilter, node);
return;
}
var group = context.GetParentGroup(filter);
if (group == null || context.IsFilterAbsorbed(filter, group))
{
context.AssignFilterToNode(finalFilter, context.GetAssignmentNode(filter));
}
else
{
group.Filters.Add(finalFilter);
}
}